(19)
(11) EP 2 678 932 A2

(12)

(43) Date of publication:
01.01.2014 Bulletin 2014/01

(21) Application number: 12713727.1

(22) Date of filing: 10.04.2012
(51) International Patent Classification (IPC): 
H02M 7/483(2007.01)
(86) International application number:
PCT/EP2012/056440
(87) International publication number:
WO 2012/140008 (18.10.2012 Gazette 2012/42)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 15.04.2011 EP 11162659

(71) Applicant: Siemens Aktiengesellschaft
80333 München (DE)

(72) Inventors:
  • DAS, Anandarup
    N-7022 Trondheim (NO)
  • NADEMI, Hamed
    N-7011 Trondheim (NO)
  • NORUM, Lars
    N-7013 Trondheim (NO)

   


(54) MULTILEVEL CONVERTER AND METHOD OF STARTING UP A MULTILEVEL CONVERTER